Sr. Client Tech Support Engineer

Calling all innovators – find your future at Fiserv.

We’re Fiserv, a global leader in Fintech and payments, and we move money and information in a way that moves the world. We connect financial institutions, corporations, merchants, and consumers to one another millions of times a day – quickly, reliably, and securely. Any time you swipe your credit card, pay through a mobile app, or withdraw money from the bank, we’re involved. If you want to make an impact on a global scale, come make a difference at Fiserv.

Job Title

Sr. Client Tech Support Engineer

About your role:

As a Senior Client Technical Support Engineer, you will deliver end-to-end technical support across integrated Fiserv platforms, products, and services to help ensure stability, accuracy, and a consistent client experience. You will work closely with clients and cross-functional teams including engineering, product, operations, implementation, and incident management to investigate issues, coordinate resolution, and strengthen service outcomes in a highly regulated environment.

What you'll do:

• Investigate, diagnose, and resolve technical issues and service requests across assigned platforms, products, and services.

• Log, track, and manage client interactions in case management tools while maintaining accurate, current, and complete documentation.

• Analyze incidents, transactions, system behavior, and data flows to identify root causes and drive effective resolution.

• Reproduce client-reported issues in test or non-production environments and document findings, risks, and next steps clearly.

• Communicate issue status, risks, and resolution progress to clients, partners, and internal stakeholders in a timely manner.

• Partner with engineering, product, operations, implementation, and incident management teams to resolve complex issues and improve service delivery.

• Provide clients with guidance on product usage, operational procedures, and best practices to support successful outcomes.

• Responsibilities listed are not intended to be all-inclusive and may be modified as necessary.

Experience you'll need to have:

• 4+ years of experience in technical support, client support, production support, or service operations within a technology, financial services, enterprise software, or similar environment.

• 4+ years of experience investigating and resolving technical issues involving multiple systems, applications, transactions, or data flows.

• Experience using case management, ticketing, or incident tracking tools to document, prioritize, and manage work through resolution.

• Experience analyzing logs, transactions, system behavior, or data to identify root cause and support issue resolution.

• Experience with Structured Query Language (SQL) or similar logic-based query and analysis tools.

• Bachelor’s degree in computer science, information systems, engineering, or a related field, or equivalent combination of education, related experience and/or military experience.

Experience that would be great to have:

• Experience supporting integrated platforms or product ecosystems with dependencies across multiple teams.

• Experience in financial services, payments, banking technology, or enterprise software as a service support environments.

• Experience participating in incident reviews, post-incident analysis, or process improvement initiatives.

• Familiarity with test or non-production environments used for issue replication and validation.

How you'll work:

• This role is on-site Monday through Friday. Fiserv considers in-person collaboration to be an essential part of this role as in-person office experiences help you with your overall onboarding experience and leads to stronger productivity.

• This role requires use of a computer and audio equipment.

• You will work an assigned schedule that is determined at time of offer.

• This role requires being on-call during non-standard and/or overnight hours on a rotational basis.

Sponsorship:

You must currently possess valid and unrestricted U.S. work authorization to be considered for this role. Individuals with temporary visas including, but not limited to, F-1 (OPT, CPT, STEM), H-1B, H-2, or TN, or any candidate requiring sponsorship, now or in the future, will not be considered for this role.

Benefits at Fiserv:

• Fuel Your Life program to support your physical, financial, social, and emotional well-being.

• Paid holidays and generous time away policies.